Home / 93,028.26-128,378.34-50,586.80

Finding the Fourth Proportional to 93,028.26, 128,378.34 and 50,586.80

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Solution

The fourth proportional to 93,028.26, 128,378.34 and 50,586.80 is: 69,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,028.26 : 128,378.34 = 50,586.80 : x
  2. Step 2: Convert to fraction form
    93,028.26/128,378.34 = 50,586.80/x
  3. Step 3: Cross multiply
    93,028.26x = 128,378.34 × 50,586.80
  4. Step 4: Simplify right side
    93,028.26x = 6,494,249,409.91
  5. Step 5: Solve for x
    x = 6,494,249,409.91/93,028.26
  6. Step 6: Final answer
    x = 69,809.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.